Sano, Yuji; Wakita, Hiroshi (1986): 3He/4He ratios of pore gases in pore water and chemical composition of sediments at DSDP Sites 87-583 and 87-584 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.801804, Supplement to: Sano, Y; Wakita, H (1986): 3He/4He ratios of pore gases in pore water, Sites 583 and 584. In: Kagami, H; Karig, DE; Coulbourn, WT; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 87, 861-864, https://doi.org/10.2973/dsdp.proc.87.132.1986
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Abstract:
We have measured the 3He/4He and 20Ne/4He ratios of gases dissolved in the pore water in sediments at two sites in the Nankai Trough (Site 583) and the Japan Trench (Site 584). The 3He/4He and 20Ne/4He ratios vary from 0.215 * 10**-6 to 1.23 * 10**-6 and from 50 * 10**-3 to 2700 * 10**-3, respectively. These values can be explained by mixing two components, one from the atmosphere and one with a 3He/4He ratio of (0.2 to 0.3) * 10**-6. The latter component may be derived from the ocean crust near the subduction zone.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 33.775158 * Median Longitude: 136.128170 * South-bound Latitude: 31.829300 * West-bound Longitude: 133.854300 * North-bound Latitude: 40.466700 * East-bound Longitude: 143.951700
Date/Time Start: 1982-07-08T00:00:00 * Date/Time End: 1982-08-05T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Sano, Y; Wakita, H (1986): (Table 2) Chemical composition of sediments and 3He/4He ratios at DSDP Site 87-583. https://doi.org/10.1594/PANGAEA.801803
- Sano, Y; Wakita, H (1986): (Table 1) 3He/4He and 20Ne/4He ratios in pore water at DSDP Sites 87-583, and 87-584. https://doi.org/10.1594/PANGAEA.801802